Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-11 14:42:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

[ARM] Collect 8250-based debug implementations together

Browse Source 
Several ARM machine implementations used an 8250 compatible port for
debugging purposes, and indepdently implemented the low level debug
macros every time.  Provide a common implementation and convert these
implementations to use this version.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2006-03-16 20:40:25 +00:00 committed by Russell King
parent 22398f57b6
commit 268099e3cc
8 changed files with 47 additions and 103 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
include/asm-arm/arch-cl7500/debug-macro.S
View File

@ -17,15 +17,5 @@
orr \rx, \rx, #0x00000be0
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro busyuart,rd,rx
.endm
.macro waituart,rd,rx
1001: ldrb \rd, [\rx, #0x14]
tst \rd, #0x20
beq 1001b
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>

19
include/asm-arm/arch-ebsa110/debug-macro.S
View File

@ -16,19 +16,6 @@
orr \rx, \rx, #0x00000be0
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro busyuart,rd,rx
1002: ldrb \rd, [\rx, #0x14]
and \rd, \rd, #0x60
teq \rd, #0x60
bne 1002b
.endm
.macro waituart,rd,rx
1001: ldrb \rd, [\rx, #0x18]
tst \rd, #0x10
beq 1001b
.endm
#define UART_SHIFT 2
#define FLOW_CONTROL
#include <asm/hardware/debug-8250.h>

18
include/asm-arm/arch-ebsa285/debug-macro.S
View File

@ -23,22 +23,10 @@
orr \rx, \rx, #0x000003f8
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
#define UART_SHIFT 0
#define FLOW_CONTROL
#include <asm/hardware/debug-8250.S>
.macro busyuart,rd,rx
1002: ldrb \rd, [\rx, #0x5]
and \rd, \rd, #0x60
teq \rd, #0x60
bne 1002b
.endm
.macro waituart,rd,rx
1001: ldrb \rd, [\rx, #0x6]
tst \rd, #0x10
beq 1001b
.endm
#else
/* For EBSA285 debugging */
.equ dc21285_high, ARMCSR_BASE & 0xff000000

19
include/asm-arm/arch-iop3xx/debug-macro.S
View File

@ -28,21 +28,8 @@
#endif
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro busyuart,rd,rx
1002: ldrb \rd, [\rx, #0x5]
and \rd, \rd, #0x60
teq \rd, #0x60
bne 1002b
.endm
.macro waituart,rd,rx
#if !defined(CONFIG_ARCH_IQ80321) || !defined(CONFIG_ARCH_IQ31244) || !defined(CONFIG_ARCH_IQ80331)
1001: ldrb \rd, [\rx, #0x6]
tst \rd, #0x10
beq 1001b
#define FLOW_CONTROL
#endif
.endm
#define UART_SHIFT 0
#include <asm/hardware/debug-8250.S>

15
include/asm-arm/arch-ixp4xx/debug-macro.S
View File

@ -20,16 +20,5 @@
@ byte writes used - Big Endian.
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro waituart,rd,rx
1002: ldrb \rd, [\rx, #0x14]
and \rd, \rd, #0x60 @ check THRE and TEMT bits
teq \rd, #0x60
bne 1002b
.endm
.macro busyuart,rd,rx
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>

17
include/asm-arm/arch-pxa/debug-macro.S
View File

@ -21,18 +21,5 @@
orr \rx, \rx, #0x00100000
.endm
.macro senduart,rd,rx
str \rd, [\rx, #0]
.endm
.macro busyuart,rd,rx
1002: ldr \rd, [\rx, #0x14]
tst \rd, #(1 << 6)
beq 1002b
.endm
.macro waituart,rd,rx
1001: ldr \rd, [\rx, #0x14]
tst \rd, #(1 << 5)
beq 1001b
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>

19
include/asm-arm/arch-rpc/debug-macro.S
View File

@ -20,19 +20,6 @@
orr \rx, \rx, #0x00000fe0
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro busyuart,rd,rx
1001: ldrb \rd, [\rx, #0x14]
and \rd, \rd, #0x60
teq \rd, #0x60
bne 1001b
.endm
.macro waituart,rd,rx
1001: ldrb \rd, [\rx, #0x18]
tst \rd, #0x10
beq 1001b
.endm
#define UART_SHIFT 2
#define FLOW_CONTROL
#include <asm/hardware/debug-8250.S>

29
include/asm-arm/hardware/debug-8250.S Normal file
View File

@ -0,0 +1,29 @@
/*
* linux/include/asm-arm/hardware/debug-8250.h
*
* Copyright (C) 1994-1999 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/serial_reg.h>
.macro senduart,rd,rx
strb \rd, [\rx, #UART_TX << UART_SHIFT]
.endm
.macro busyuart,rd,rx
1002: ldrb \rd, [\rx, #UART_LSR << UART_SHIFT]
and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
teq \rd, #UART_LSR_TEMT | UART_LSR_THRE
bne 1002b
.endm
.macro waituart,rd,rx
#ifdef FLOW_CONTROL
1001: ldrb \rd, [\rx, #UART_MSR << UART_SHIFT]
tst \rd, #UART_MSR_CTS
beq 1001b
#endif
.endm